Cov kev xaiv yuav tsum muaj rau roj thiab roj thauj li cas?
Kev Seam Steel kav yuav tsum tau ntsib API 5L cov qauv hauv kev siv X60 thiab cov khoom siv hluav taws xob siab dua, thiab cov khoom siv hluav taws xob siab rau cov khoom siv hluav taws xob zoo siab corrosion) kev sim {{{{}} qhov chaw muaj dej num (xws li txheej txheem kev tiv thaiv kev tiv thaiv kab mob)
Yuav ua li cas xaiv ncaj seam steel kav hauv tsev qauv qauv?
Kev Seam Steel kav yuav tsum ua raws cov qauv gyms, thiab cov roj av {}} Puas yuav tsum yog ≤0 {8 {} 8, thiab cov sulfur cov ntsiab lus (huab cua
Dab tsi yog cov haujlwm ntawm ncaj seam steel kav hauv cov phiaj xwm conservancy?
Mas siv rau cov kav dej ntws tawm, cov khoom lag luam twj tso kua mis yog xav tau thaum tsim nyog los yog cov cua ntsawj ntshab los ua kom muaj kev nkag siab zoo 100%, thiab kev ntsuas dej siab Yog 1 {.}}} Cov chaw ua haujlwm siab ua haujlwm} Nyob rau hauv saline-alkali cheeb tsam epoxy
Dab tsi yog qhov tshwj xeeb xav tau ntawm kev lag luam tshuaj rau ncaj seam steel kav steeles?
Tshuaj lom neeg yuav tsum tau tiv taus cov kua qaub thiab alkali corrosion, thiab cov neeg siv hluav taws xob tsis txaus ntseeg Pipelines (> 200 degree) . kev lag luam ammorless erw yuav tsum tau siv cov kav dej steel
Dab tsi yog cov qauv rau ncaj seam steel kav hlau kav rau hauv nroog cua sov tes hauj lwm?
Cov kav dej kub feem ntau siv ERW steel kav hlau uas tau xaiv cov roj gb / t {} Hem ≤--≤-ins--{} Hem ≤--ins--ins--ins--ins standard-ins--ins degree້ນ { polyurethane rwb thaiv tsev txheej yuav tsum ≥40mm {{11 {}} Cov roj ntsha tsis muaj kev ntxhov siab uas yuav tsum tau raug saib xyuas thaum lub sijhawm intrading.
